Home / 198,734.12-298,100.86-50,990.12

Finding the Fourth Proportional to 198,734.12, 298,100.86 and 50,990.12

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Solution

The fourth proportional to 198,734.12, 298,100.86 and 50,990.12 is: 76,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,734.12 : 298,100.86 = 50,990.12 : x
  2. Step 2: Convert to fraction form
    198,734.12/298,100.86 = 50,990.12/x
  3. Step 3: Cross multiply
    198,734.12x = 298,100.86 × 50,990.12
  4. Step 4: Simplify right side
    198,734.12x = 15,200,198,623.50
  5. Step 5: Solve for x
    x = 15,200,198,623.50/198,734.12
  6. Step 6: Final answer
    x = 76,485.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.